Work Instruction 1 - 4
NOTE: Before troubleshooting, read out the fault memory of the DME control unit and remedy any faults present.
Fault Code 5523
Fault Code 5523
No CAN Message 2 Sent By DME
No CAN message from the DME control unit
Diagnostic conditions
- Ignition on
Possible cause of fault
- Open circuit in CAN drive lines
- DME control unit faulty
Affected pins
Pin 24 and pin 40
Diagnosis/troubleshooting